Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Long-established allocation (15y) +6
- Not on any threat blocklist +5
- Trust score 82 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- 31.193.3.51.srvlist.ukfast.net
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 86400 s
- Reverse DNS last checked
- 2026-09-28 10:29 UTC
- Forward DNS last checked
- 2026-09-28 10:29 UTC
Forward DNS records for 31.193.3.51.srvlist.ukfast.net
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 31.193.3.51 | — | 86400s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
Reverse-DNS changes between Sep 27, 2026 and Sep 28, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- 31.193.3.51.srvlist.ukfast.net — since at least Sep 28, 2026 → present
- no PTR — Sep 27, 2026 → Sep 28, 2026
- 31.193.3.51.srvlist.ukfast.net stable — Jun 11, 2026 → Sep 27, 2026
Network Allocation for 31.193.3.51
- CIDR range
- 31.193.0.0/22
- IP range (int)
- 532,742,144 — 532,743,167
- Prefix length
- /22
- Organization
- Ans Academy Limited
- ASN
- AS61323
- ASN name
- Ans Academy Limited
- Location
- United Kingdom
- Coordinates
- 51.496400, -0.122400
- Accuracy radius
- 200 km
- Regional Internet Registry
- RIPE
- Allocated
- 2011-04-21
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-07-11 00:19:59
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 31.193.3.51?
31.193.3.51 is allocated to Ans Academy Limited (AS61323), registered in United Kingdom.
Where is 31.193.3.51 located?
The geolocation for 31.193.3.51 maps to United Kingdom based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 31.193.3.51 on?
31.193.3.51 belongs to the 31.193.0.0/22 network block announced by AS61323. This range contains 1,024 addresses.
Does 31.193.3.51 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
